{"nhtsa_id":10097561,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-04-19","date":"2014-01-06","document_id":"JTB00326NAS1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"\"SITUATION: THE TRANSMISSION MAY EXPERIENCE POOR QUALITY GEAR SHIFTS AND/OR POOR ENGAGEMENT OF REVERSE AND DRIVE. CAUSE: THIS MAY BE CAUSED BY A SOFTWARE MISMATCH BETWEEN THE TRANSMISSION CONTROL MODULE (TCM) AND THE ENGINE CONTROL MODULE (ECM).\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10097561","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"JAGUAR","model":"XJ","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_jaguar_xj"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}